Abstract
A new sesquiterpenoid lactone was isolated from terrestrial parts ofArtemisia subchrysolepis Filat. and studied by X-ray diffraction analysis and CD spectroscopy. This compound was called subchrysine and identified as (1R,3S,4E,6R,7S)-3-acetoxy-1-hydroxygernmacra-4,10(14), 11(13)-trien-12,6-olide. Pronounced temperature dependence of the1H and13C NMR spectra of subchrysine was observed. The results of conformational analysis of subchrysine by quantum-chemical (PM3) and molecular mechanics (MMX) methods are also presented.
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 7, pp. 1429–1433, July, 1998.
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Kulyyasov, A.T., Bagryanskaya, I.Y., Gatilov, Y.V. et al. Crystal and molecular structure of subchrysine (3-O-acetylridentine), a new germacranolide fromArtemisia subchrysolepis . Russ Chem Bull 47, 1390–1394 (1998). https://doi.org/10.1007/BF02495573
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DOI: https://doi.org/10.1007/BF02495573